| Answer | Crossword Clue |
|---|---|
| UPSURGE | Rapid rise |
| escalation | A rapid increase; a rise |
| escalations | A rapid increase; a rise |
| ESCALATION | Rapid rise in prices or wages |
| steepest | (of a rise or fall in an amount) Large or rapid |
| sawtooth | (of a waveform) Showing a slow linear rise and rapid linear fall or vice versa |
